Toyota Corolla (E120): Circuit description
The srs warning light is located on the combination meter.
When the srs is normal, the srs warning light lights up for approx. 6 Seconds after the ignition switch is turned from the lock position to on position, and then turns off automatically.
If there is a malfunction is the srs, the srs warning light lights up to inform the driver of the abnormality.
When terminals tc and cg of the dlc3 are connected, the dtc is displayed by blinking the srs warning light.
Wiring diagram
Srs warning light circuit malfunction (does not light
up, when ignition switch is turned to on)
Other materials:
Circuit description
The actuator motor is operated by signals from the cruise control ecu assy.
Acceleration and deceleration
signals are transmitted by changes in the duty ratio (see below).
Duty ratio:
the duty ratio is the ratio of the period of continuity in one cycle. For
example, if a is the period of co ...
Eco Driving Indicator Light customization (except vehicles with a manual transmission)
Eco Driving Indicator Light can be activated or deactivated.
1 While the odometer is being displayed, press and hold the “DISP” switch to
display the Eco Driving Indicator Light customization screen.
2 Press the “DISP” switch to set Eco Driving Indicator Light to on or off.
3 Press and ...
Key confinement prevention function does not work
properly (unlock warning switch circuit)
Circuit description
The unlock warning switch turns on when the key is inserted in the ignition
key cylinder and the door courtesy
switch turns on when the driver’s door is opened, and the integration relay
monitors both switches conditions.
According to these switches conditions, the int ...